CBOE Staff Knew of Problems in Advance

By

Jacob Bunge and

Jenny Strasburg

Updated April 28, 2013 11:42 a.m. ET

CBOE Holdings Inc. technology staff knew of software issues in the hours before the largest U.S. options exchange suffered a three-hour outage, according to people briefed on discussions among CBOE officials.

Staffers at the company, which operates the Chicago Board Options Exchange, were confident they could fix the issues, CBOE executives have told colleagues and others outside the company. One area of focus by CBOE Thursday and...